minecraft/MCInput.html at main · infofintech/minecraft · GitHub

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<style>
    :host {
        display: inline-block;
        color: #E0E0E0;
        background-color: #222;
        border: 2px #eee solid;
        text-shadow: 0.13rem 0.13rem 0 #383838;
        cursor: text;
        width: 13ch;
    }
    :host([disabled]) {
        cursor: default;
        opacity: .8;
    }
    #wrapper {
        position: relative;
    }
    #input {
        overflow: auto hidden;
        width: 100%;
        min-height: 100%;
        white-space: pre;
        outline: none;
        scrollbar-width: none;
        display: inline-block;
        caret-color: transparent;
    }
    #input::-webkit-scrollbar { display: none; }
    #input:not(:empty) br, #input img {
        display: none;
    }
    #input * {
        display: inline;
        white-space: pre;
    }
    #input:empty::before {
        content: attr(placeholder);
        display: inline-block;
        white-space: nowrap;
        pointer-events: none;
        color: #777;
    }
    #input:focus-within:not(.has-select-text):empty::after,
    #input:focus-within:not(.has-select-text):not(:empty)::before {
        content: "_";
        overflow: hidden;
        width: 1ch;
        display: inline-block;
        position: absolute;
        left: calc(1px * var(--caret-x, 0));
        bottom: 0;
    }
    #input:focus-within:not(:empty)::after {
        content: "x";
        width: 1ch;
        color: transparent;
        text-shadow: none;
        user-select: none;
        display: inline-block;
    }
    #input.blink:focus-within:empty::after,
    #input.blink:focus-within:not(:empty)::before {
        animation: caret-blink 1s infinite steps(1);
    }
    @keyframes caret-blink {
        50% { opacity: 0; }
    }
</style>
<!-- https://stackoverflow.com/a/55950530/21559442 -->
<div id="wrapper">
    <div id="input" contenteditable></div>
</div>